EventManager.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "Forward.hpp"
 
#include "EntityID.hpp"
#include "Event.hpp"
 
#include "CeresEngine/Macros.hpp"
 
#include "CeresEngine/Foundation/Event.hpp"
#include "CeresEngine/Foundation/SmartPtr.hpp"
#include "CeresEngine/Foundation/Container/Map.hpp"
#include "CeresEngine/Foundation/Container/Vector.hpp"
 
namespace CeresEngine {
 
    class CE_SCRIPT_EXPORT() EntityEventManager final {
    private:
        Vector<UPtr<AbstractEntityEventDispatcher>> mEventDispatchers;
        Map<EntityIndex, Vector<UPtr<AbstractEntityEventDispatcher>>> mEntityEventDispatchers;
 
    public:
        CE_SCRIPT_EXPORT()
        EntityEventManager();
 
        EntityEventManager(const EntityEventManager&) = delete;
        EntityEventManager& operator=(const EntityEventManager&) = delete;
        EntityEventManager(EntityEventManager&&) = delete;
        EntityEventManager& operator=(EntityEventManager&&) = delete;
 
        ~EntityEventManager();
 
    public:
        template<CEntityEvent E, typename... Args> inline void emit(Entity entity, Args&&... args) const;
 
    public:
        template<CEntityEvent E, typename Subscriber> inline WeakEventConnection subscribe(Subscriber&& subscriber);
 
        template<CEntityEvent E, typename Subscriber> inline WeakEventConnection subscribe(EntityID entityID, Subscriber&& subscriber);
 
    private:
        friend class EntityManager;
        void remove(EntityID entityID);
 
    private:
        template<CEntityEvent E> [[nodiscard]] inline EntityEventDispatcher<E>& eventDispatcher();
 
        template<CEntityEvent E> [[nodiscard]] inline const EntityEventDispatcher<E>* eventDispatcher() const;
 
        template<CEntityEvent E> [[nodiscard]] inline EntityEventDispatcher<E>& eventDispatcher(EntityID entityID);
 
        template<CEntityEvent E> [[nodiscard]] inline const EntityEventDispatcher<E>* eventDispatcher(EntityID entityID) const;
    };
 
} // namespace CeresEngine
 
#include "EventManager.inl"